Itll be hard to replicate warp in other sets due to the strong tie-in space flavor, but Wizards will eventually manage to do a very similar mechanic when the need arises
The Growth of Creature Types Matter Over the course of the game's history, Creature types quickly accelerated in relevancy
For example, say you cast Reaper's Scythe: When Reaper's Scythe enters the battlefield, its job select ability triggers and goes on the stack
Tovolars grumpy alter ego - we assume theyre grumpy - is Tovolar, the Midnight Scourge, which is a 4/4 that still lets you draw cards in the same way as Dire Overlord, but also allows you to pay X, one green and one red, to give a target Wolf or Werewolf +x/+0 and trample until the end of the turn
If you want to pay 7 life to activate Griselbrand, but your life total is 6, you don't have enough life to pay the cost
Age helps, but rarity, condition, Reserved List status, and demand matter more